The Demigod Files
Rick Riordan
Percy Jackson and the Olympians (4.5)
How to Train Your Dragon
Cressida Cowell
How to Train Your Dragon (1)
Fire World
Chris D'Lacey
The Last Dragon Chronicles (6)
The Titan's Curse
Percy Jackson and the Olympians (3)
The Lightning Thief
Percy Jackson and the Olympians (1)
The Sea of Monsters
Percy Jackson and the Olympians (2)